Local Calling Guide

Area code/prefix search

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OCN: 4604 FIRST COMMUNICATIONS LLC - IL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
312-247 7 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2004-05-28   
312-247 8 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2004-05-28   
312-247 9 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2004-05-28   
312-267 4 Chicago Zone 01-Franklin IL CHCGIL24DS3  358   2004-09-24   
312-291 7 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2006-05-25   
312-319 7 Chicago Zone 01-Calumet IL CHCGIL24DS6  358   2017-06-20   
312-334 A Chicago Zone 01-Wabash IL CHCGIL24DS3  358      
312-363 6 Chicago Zone 01-Monroe IL CHCGIL24DS3  358   2004-06-06   
312-374 2 Chicago Zone 01-Lakeshore IL CHCGIL24DS3  358   2013-01-04   
312-379 3 Chicago Zone 01-Illinois Dearborn IL CHCGIL24DS3  358   2005-02-24   
312-386 8 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2005-08-19   
312-448 5 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2012-06-07   
312-469 3 Chicago Zone 01-Superior IL CHCGIL24DS3  358   2017-01-02   
312-487 5 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2014-12-19   
312-521 7 Chicago Zone 01-Lakeshore IL CHCGIL24DS3  358   2003-10-22   
312-529 4 Chicago Zone 01-Franklin IL CHCGIL24DS3  358   2005-05-25   
312-529 5 Chicago Zone 01-Franklin IL CHCGIL24DS3  358   2005-03-31   
312-546 5 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2004-11-06   
312-561 2 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2014-01-21   
312-561 5 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2013-05-11   
312-568 4 Chicago Zone 01-Canal IL CHCGIL24DS3  358   2006-04-27   
312-568 5 Chicago Zone 01-Canal IL CHCGIL24DS3  358   2005-10-02   
312-589 5 Chicago Zone 01-Canal IL CHCGIL24DS3  358   2006-03-27   
312-605 9 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2012-11-01   
312-626 1 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2013-07-21   
312-635 3 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2014-06-15   
312-648 6 Chicago Zone 01-Canal IL CHCGIL24DS3  358   2011-06-20   
312-651 5 Chicago Zone 01-Canal IL CHCGIL24DS3  358   2006-06-22   
312-662 4 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2007-07-23   
312-662 5 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2007-07-23   
312-662 6 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2007-07-23   
312-662 7 Chicago Zone 01-Wabash IL CHCGIL24DS3  358   2007-07-23   
312-673 A Chicago Zone 01-Calumet IL CHCGIL24DS3  358      
312-676 A Chicago Zone 01-Calumet IL CHCGIL24DS3  358      
312-676 0 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 1 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 2 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 3 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 4 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 5 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 6 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 7 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 8 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-676 9 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2006-08-07   
312-690 2 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2014-08-28   
312-690 8 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2015-03-07   
312-768 7 Chicago Zone 01-Canal IL CHCGIL24DS3  358   2005-02-20   
312-784 A Chicago Zone 01-Calumet IL CHCGIL24DS3  358      
312-784 0 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2007-09-02   
312-784 1 Chicago Zone 01-Calumet IL CHCGIL24DS3  358   2007-09-02   

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Last updated: Fri, 13 May 2022 22:16:13 UTC

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